Mathematics, Sciences To provide an upper bound to.
3
To specify or use boundaries that are too large; to have boundaries that encompass more than the entirety of an entity.
The Urbanized Area is often considered the best measure of urban size because it neither "underbounds" the city (by taking just the political city) or "overbounds" it (including peripheral, largely rural areas).1975, James W. Clay, Douglas Milton Orr, Alfred Wright Stuart, North Carolina Atlas: Portrait of a Changing Southern State, page 58:
overbound
noun
Etymology From over- + bound.
1
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences, Signal processing A Gaussian model of the (non-Gaussian) error distribution on a signal, which is conservative enough that the resulting confidence interval is guaranteed to be at least as wide as the actual confidence interval.